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Chapter 2: Q55. (page 62)

If f3a-1=12a-7, find fx.

Short Answer

Expert verified

The required function is fx=4x-3.

Step by step solution

01

– Given information.

The given function is:

f3a-1=12a-7

To find the function fx.

02

– Equate the input values.

3a鈭�1=x3a=x+1a=x+13

03

– Substitute the value of the variable in the given function.

Substitute a=x+13in the function f3a-1=12a-7.

f3x+13鈭�1=12x+13鈭�7fx+1鈭�1=4x+1鈭�7fx+1鈭�1=4x+4鈭�7fx=4x鈭�3

Thus, the required function is fx=4x-3.

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